Syringe flask



FIG. 1 is a front-top perspective view of a syringe flask showing my new design;

FIG. 2 is a front-bottom perspective view thereof;

FIG. 3 is a front elevational view thereof, where the rear elevational view is identical thereto;

FIG. 4 is a left elevational view thereof, where the right elevational view is identical thereto;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines in the drawings depict portions of the syringe flask that form no part of the claimed design. 

CLAIM The ornamental design for a syringe flask, as shown and described. 